Overall Orange Earthquake alert in Mexico on 08 Sep 2017 04:49 UTC

2017-09-08 14:01 message from NTWC

Key information extracted from original GTS message :

Evaluation

An earthquake with a preliminary magnitude of 8.2 occurred off the coast of chiapas MEXICO at 0449 UTC on friday SEPTEMBER 8 2017
TSUNAMI waves have been observed
Based on all available data hazardous TSUNAMI waves are forecast for some coasts

Threat Forecast

TSUNAMI waves reaching more than 3 meters above the tide level are possible along some coasts of mexico.
TSUNAMI waves reaching 0.3 to 1 meters above the tide level are possible for some coasts of AMERICAN samoa... antarctica... COOK islands... ecuador... EL salvador... fiji... FRENCH polynesia... guatemala... kiribati... NEW zealand... samoa... tokelau... tuvalu... vanuatu... and WALLIS and futuna.
TSUNAMI waves are forecast to be less than 0.3 meters above the tide level for the coasts of australia... chile... china... chuuk... colombia... COSTA rica... guam... hawaii... honduras... howland and baker... indonesia... japan... JARVIS island... johnston atoll... kermadec islands... kosrae... malaysia... MARSHALL islands... midway island... nauru... NEW caledonia... nicaragua... niue... NORTHERN marianas... northwestern hawaiian islands... palau... palmyra island... panama... PAPUA NEW guinea... peru... philippines... PITCAIRN islands... pohnpei... russia... SOLOMON islands... taiwan... tonga... vietnam... wake island... and yap.
Actual amplitudes at the coast MAY vary from forecast amplitudes due to uncertainties in the forecast and local features. in particular maximum TSUNAMI amplitudes on atolls and at locations with fringing or barrier reefs will likely be much smaller than the forecast indicates.
For other areas covered by this product a forecast has not yet been computed. the forecast will be expanded if necessary in subsequent products.

Tsunami Observations

The following are tsunami wave observations from coastal and/or deep-ocean sea level gauges at the indicated locations the maximum tsunami height is measured with respect to the normal tide level

GAUGE LOCATION	LAT	LON	TIME (UTC)	HEIGHT (m)	PERIOD (min)
Nuku Hiva Marquesa	-8.9	-140.1	13: 06	0.20	14
Hiva Oa Marquesas	-9.8	-139	13: 00	0.14	18
Dart 32412	-18	-86.4	10: 20	0.01	26
Easter Cl	-27.2	-109.4	11: 51	0.29	06
Dart 32413	-7.4	-93.5	08: 43	0.02	24
Lazaro Cardenas Mx	17.9	-102.2	06: 46	0.20	58
Dart 43413	10.8	-100.1	05: 58	0.07	10
Santacruz Galapago	-0.7	-90.3	08: 35	0.15	20
Zihuatanejo Mx	17.6	-101.6	06: 27	0.21	50
Acajutla Sv	13.6	-89.8	06: 34	0.14	30
Baltra Galapags Ec	-0.4	-90.3	08: 06	0.17	26
Manzanillo Mx	19.1	-104.3	07: 10	0.24	38
Chiapas Mx	14.7	-92.4	06: 17	0.50	30
Acapulco Mx	16.8	-99.9	06: 35	0.72	24
Dart 32411	5	-90.8	06: 42	0.03	26
Salina Cruz Mx	16.2	-95.2	06: 35	1.01	46
Puerto Angel Mx	15.7	-96.5	05: 17	0.29	24
Huatulco Mx	15.8	-96.1	05: 14	0.69	12

SOURCE	GAUGE LOCATION	LAT	LON	TIME (UTC)	HEIGHT (m)	PERIOD (min)
PTWC	Nuku Hiva Marquesa	-8.9	-140.1	13: 06	0.20	14
PTWC	Hiva Oa Marquesas	-9.8	-139	13: 00	0.14	18
PTWC	Dart 32412	-18	-86.4	10: 20	0.01	26
PTWC	Easter Cl	-27.2	-109.4	11: 51	0.29	06
PTWC	Dart 32413	-7.4	-93.5	08: 43	0.02	24
PTWC	Lazaro Cardenas Mx	17.9	-102.2	06: 46	0.20	58
PTWC	Dart 43413	10.8	-100.1	05: 58	0.07	10
PTWC	Santacruz Galapago	-0.7	-90.3	08: 35	0.15	20
PTWC	Zihuatanejo Mx	17.6	-101.6	06: 27	0.21	50
PTWC	Acajutla Sv	13.6	-89.8	06: 34	0.14	30
PTWC	Baltra Galapags Ec	-0.4	-90.3	08: 06	0.17	26
PTWC	Manzanillo Mx	19.1	-104.3	07: 10	0.24	38
PTWC	Chiapas Mx	14.7	-92.4	06: 17	0.50	30
PTWC	Acapulco Mx	16.8	-99.9	06: 35	0.72	24
PTWC	Dart 32411	5	-90.8	06: 42	0.03	26
PTWC	Salina Cruz Mx	16.2	-95.2	06: 35	1.01	46
PTWC	Puerto Angel Mx	15.7	-96.5	05: 17	0.29	24
PTWC	Huatulco Mx	15.8	-96.1	05: 14	0.69	12